<div style="min-height: 500px; height: 80%;" type="404" class="ad-exception">
  <div class="img-block">
    <div class="img"
         style="background-image: url(https://gw.alipayobjects.com/zos/rmsportal/KpnpchXsobRgLElEozzI.svg);"></div>
  </div>
  <div class="cont"><h1>404</h1>
    <div class="desc">抱歉，你访问的页面不存在</div>
    <button nz-button="" tabindex="0" class="ant-btn ant-btn-primary ng-star-inserted" routerLink="/index">
      <span>返回首页</span>
    </button>
  </div>
</div>
